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cannot play video content

  • 4 replies
  • 3 have this problem
  • Last reply by cor-el

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hi i have tried eveything i think all plug ins active flash , silverlight all up to date , any website i go on with a video embeded as i press play it blacks out the viedo box no controls shown ??

but it works on my safari  so is not  security although i turned of 

any ides best dan

All Replies (4)

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With the last Firefox upgrade, some plugins are no longer enabled until you enable it.

Type about:addons<Enter> in the address bar to open your Add-ons Manager. Hot key; <Control>(Mac:<Command>)<Shift> A)

On the left side of the page, select Plugins.

BTW; At the top right is a link to check your plugins.

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thankyou fredmcd but have checked all pluins all enabled


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You can try to disable hardware acceleration in Firefox.

  • Firefox > Preferences > Advanced > General > Browsing: "Use hardware acceleration when available"

You need to close and restart Firefox after toggling this setting.